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Patek Philippe Nautilus 37.5 mm 3800/1A-001 Steel Black

Patek Philippe Nautilus 37.5 mm 3800/1A-001 Steel Black Patek Philippe Nautilus 37.5 mm 3800/1A-001 Steel…

Reference 3800/1A-001

Full watch configuration

Patek Philippe Nautilus 37.5 mm 3800/1A-001 Steel Black

$46,499.00 $49,999.00
Requested condition
Pre-Owned
Requested accessories
Full Set

By Patek Philippe

Sourced to order. We confirm the watch, condition and final price before purchase. Reference images shown.

Eligible watches: 90-day returns for store credit only. Brand-new watches and other exclusions are final sale. Return terms.

Patek Philippe Nautilus 37.5 mm 3800/1A-001 Steel Black

Patek Philippe Nautilus 37.5 mm 3800/1A-001 Steel Black

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Patek Philippe Nautilus 37.5 mm 3800/1A-001 Steel Black

Catalogue watch price: $46,499.00 USD

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The Patek Philippe Nautilus 3800/1A-001 is a 37.5mm stainless steel sports-luxury watch featuring a striking black dial with Roman numeral markers and an integrated stainless steel bracelet with fold-over clasp. Its iconic octagonal case with rounded edges and horizontal embossed dial pattern are the hallmarks that have made the Nautilus one of the most coveted references in the world.

Reference 3800/1A-001 represents the Nautilus in its most refined steel expression — elegant enough for formal occasions yet robust with 120 meters of water resistance for everyday confidence. Contact Bizak & Co. today to secure this exceptional timepiece or browse our full Patek Philippe collection online.

Compare it across every Nautilus reference we carry, or browse the full Patek Philippe collection at Bizak & Co.

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The Patek Philippe Nautilus is universally regarded as one of the most significant and desirable luxury sports watches ever created. Conceived by the legendary designer Gérald Genta and introduced in 1976, the Nautilus broke conventions by pairing a prestigious Swiss movement with a bold, porthole-inspired stainless steel case at a time when precious metal dominated fine watchmaking. Its distinctive octagonal bezel with rounded corners, horizontally embossed dial, and integrated bracelet created an entirely new category — the luxury sports watch — and its influence on horology cannot be overstated. The 3800 reference continued that legacy as a slightly more refined, wearable interpretation of the original 3700, and today commands extraordinary collector attention.

The specific reference 3800/1A-001 is housed in a 37.5mm stainless steel case, a size that sits beautifully on a wide range of wrists and reads as both sporty and sophisticated on the wrist. The "1A" in the reference denotes the stainless steel configuration, and the case is finished to Patek Philippe's exacting standards with alternating brushed and polished surfaces that catch the light in a uniquely compelling way. The octagonal bezel, integrated into the overall design language, gives the watch its signature architectural presence that is instantly recognizable across a room.

The black dial of reference 3800/1A-001 is a study in understated elegance. Patek Philippe's horizontal embossed "Clous de Paris" or relief pattern animates the dial under changing light conditions, while crisp Roman numeral hour markers add a touch of classical formality that elevates the dial above typical sports watch aesthetics. Applied Patek Philippe branding and the characteristic Nautilus hands complete a dial composition that has been refined over decades to near perfection. The result is a timepiece that feels equally at home with a business suit or weekend casual attire.

Powering the 3800/1A-001 is a certified Swiss automatic movement, a testament to Patek Philippe's centuries-long mastery of mechanical horology. Every Patek Philippe movement is assembled, adjusted, and tested to standards that exceed industry norms, and the Nautilus line has always received the full benefit of the Manufacture's expertise. The watch also offers 120 meters (396 feet) of water resistance, underscoring the Nautilus's original brief as a watch capable of accompanying an active lifestyle without compromise. The integrated stainless steel bracelet, secured by a refined fold-over clasp, ensures the watch is as comfortable and secure as it is beautiful.

Acquiring a pre-owned Patek Philippe Nautilus 3800/1A-001 is increasingly rare in today's market, where demand for Nautilus references across all generations consistently outpaces supply. More than a watch, it is a conversation piece among collectors and a daily companion engineered to last generations. At Bizak & Co., every Patek Philippe we offer is sourced with the same rigorous standards our clientele expects. We invite you to contact us directly or shop online at bizakandco.com to inquire about this extraordinary reference and experience the Bizak & Co. difference in luxury watch acquisition.

Technical Details
Reference
3800/1A-001
Model
Nautilus
Movement
Automatic
Case material
Stainless Steel
Bracelet material
Stainless Steel
Dial
Black with Roman numeral markers
Case size
38 mm
Requested condition
Pre-Owned
Requested accessories
Full Set
FAQ

1. What makes the Patek Philippe Nautilus 3800/1A-001 special?
This is a 37.5mm stainless steel Nautilus with a black Roman numeral dial and an integrated stainless steel bracelet with a fold-over clasp. Patek Philippe introduced the Nautilus in 1976, developed with Gérald Genta, and added the midsize 3800 in 1981.

2. What movement powers the Patek Philippe Nautilus 3800/1A-001?
The listing states an automatic movement. It does not state the caliber.

3. What is the case size of the Nautilus 3800/1A-001?
The case is 37.5mm and stainless steel, with an octagonal bezel.

4. Is the Patek Philippe Nautilus 3800/1A-001 suitable for everyday wear?
Patek Philippe introduced the Nautilus in 1976 as its first sports watch, in steel. This 3800/1A-001 has a stainless steel case and bracelet with a fold-over clasp, and the listing states 120 meters (396 feet) of water resistance.

5. What does the dial of the Nautilus 3800/1A-001 look like?
The dial is black with Roman numeral hour markers. The listing photo shows a date window at 3 o'clock.

6. Is the Patek Philippe Nautilus 3800/1A-001 new or pre-owned?
It is pre-owned. The listing's condition field reads Pre-Owned. For questions about this watch, contact Bizak & Co. at bizakandco.com.

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Our five-year Bizak & Co. warranty covers manufacturing defects affecting mechanical operation under normal use, starting on delivery. It is separate from any remaining manufacturer warranty.

Exclusions include accidental damage, misuse, water damage, cosmetic damage, normal wear, loss and theft. Coverage and service availability for vintage or modified watches are confirmed in writing before purchase.

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90-Day Returns for Store Credit

Eligible watches may be returned within 90 days for store credit. Brand-new watches and other exclusions are final sale.

Read eligibility, condition requirements, and exclusions.

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U.S. overnight shipping is $100; international shipping is $500. Dispatch takes 2–3 business days after your wire clears. International transit times vary. Shipping details.

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